v3.26.3
Concentration and risk (Details 3) - Accounts Payable [Member] - Customer Concentration Risk [Member]
12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Supplier F [Member]    
Concentration Risk [Line Items]    
Concentration of credit risk 54.90%
Supplier G [Member]    
Concentration Risk [Line Items]    
Concentration of credit risk 32.30%
Supplier C [Member]    
Concentration Risk [Line Items]    
Concentration of credit risk 77.30% 12.10%
Supplier B [Member]    
Concentration Risk [Line Items]    
Concentration of credit risk 12.40%
Supplier E [Member]    
Concentration Risk [Line Items]    
Concentration of credit risk 10.30%